#$%^&*AU2014201724B220150709.pdf#####TWO-COMPONENT KNEE SPACER WITH RECESSES ABSTRACT Knee spacer for temporary replacement of an artificial knee joint comprises a tibial component (2) and a femoral component (1) as separate components, which can be moved with respect to each other in their patient-inserted state, and whereby the tibial component (2) and the femoral component (1) each comprise at least one running surface (4, 24, 44) by means of which the tibial component (2) and the femoral component (1) can be placed against each other such as to be mobile for their patient-inserted state, and whereby the tibial component (2) comprises an anchoring surface (26, 46) that is arranged to be situated opposite to the running surface side and is provided for connecting the tibial component (2) to the tibia by means of a bone cement, and whereby the femoral component (1) comprises an anchoring surface (6) that is arranged to be situated opposite to the running surface side and is provided for connecting the femoral component (1) to the femur, whereby the tibial component (2) and the femoral component (1) each comprise at least two recesses (12, 14, 32, 52) that extend from the anchoring surface (6, 26, 46) towards the running surface side into the running surface side, whereby the openings of the recesses (12, 14, 32, 52) are arranged appropriately in the running surface side of the components (1, 2) such that they do not slide over the running surface (4, 24, 44) of the respective other component (1, 2) during articulation of the knee spacer.1/5 6 10 10 14 6 10 12 4 8 12 30 30 31 30 26 30 32 2 Figure 1
